CVE-2016-9778

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

An error in handling certain queries can cause an assertion failure when a server is using the nxdomain-redirect feature to cover a zone for which it is also providing authoritative service. A vulnerable server could be intentionally stopped by an attacker if it was using a configuration that met the criteria for the vulnerability and if the attacker could cause it to accept a query that possessed the required attributes. Please note: This vulnerability affects the "nxdomain-redirect" feature, which is one of two methods of handling NXDOMAIN redirection, and is only available in certain versions of BIND. Redirection using zones of type "redirect" is not affected by this vulnerability. Affects BIND 9.9.8-S1 -> 9.9.8-S3, 9.9.9-S1 -> 9.9.9-S6, 9.11.0-9.11.0-P1.

Metrics

CVSS 3.0 5.9/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-388

Affected software

Vendor	Product	Versions
ISC	BIND 9	BIND 9 9.9.8-S1 -> 9.9.8-S3, 9.9.9-S1 -> 9.9.9-S6, 9.11.0-9.11.0-P1

References

http://www.securityfocus.com/bid/95388Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037582Third Party Advisory, VDB Entry
https://kb.isc.org/article/AA-01442/Vendor Advisory
https://security.gentoo.org/glsa/201708-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20180926-0005/Third Party Advisory
http://www.securityfocus.com/bid/95388Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037582Third Party Advisory, VDB Entry
https://kb.isc.org/article/AA-01442/Vendor Advisory
https://security.gentoo.org/glsa/201708-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20180926-0005/Third Party Advisory

Timeline

Published: Jan 16, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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